Are conservatives out-organizing progressives on Twitter, as a recent story on CNN reported? And does their seeming dominance matter? For online activists in America, these are hard questions to answer, not least because a) "organizing on Twitter" is still (and may always be) a very loose process; b) usage of popular hashtags like #tcot ("top conservatives on Twitter," launched November 28, 2008) or #p2 ("progressives 2.0, launched in response February 13, 2009") is an imperfect measure of strength; c) judging by top follower numbers, Twitter's audience appears to lean liberal (more on that in a separate post); and d) we're still figuring out what Twitter is, and isn't, good for in terms of political battles (i.e. it's clearly good for...